APA (7 ম সংস্করণ) উদ্ধৃতি

Gravells, A. (2016). Principles and practices of assessment: A guide for assessors in the FE and skills sector (Third edition.). SAGE ; Learning Matters.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Gravells, Ann. Principles and Practices of Assessment: A Guide for Assessors in the FE and Skills Sector. Third edition. Los Angeles ; London: SAGE ; Learning Matters, 2016.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Gravells, Ann. Principles and Practices of Assessment: A Guide for Assessors in the FE and Skills Sector. Third edition. SAGE ; Learning Matters, 2016.